Pharmokinetics of Premedication Drugs
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Questions and Answers

Which receptor is primarily associated with analgesic and sedation effects in the brain?

  • Nociception receptors
  • Delta receptors
  • Kappa receptors
  • Mu receptors (correct)

    • Which drug is more selective for the alpha 2 medication compared to Xylazine and Medetomidine?

  • Dexmedetomidine (correct)
  • Detomidine
  • Romifidine
  • Medetomidine

    • Which opioid is a partial agonist and will not elicit a fuller response even at maximal dose?

  • Buprenorphine (correct)
  • Pethidine
  • Methadone
  • Fentanyl

    • Which drug can act as a reverser for A2 adrenoreceptor agonists?

    <p>Atipamezole</p> Signup and view all the answers

    Which receptor is associated with marked bradycardia and hypertension?

    <p>Alpha 2 receptor</p> Signup and view all the answers

    Which class of drugs primarily acts by antagonizing dopamine receptors?

    <p>Phenothiazines</p> Signup and view all the answers

    Which receptor is primarily associated with analgesic and anti-depressant effects in the brain?

    <p>Delta receptors</p> Signup and view all the answers

    Which receptor is primarily associated with analgesic, sedative, and diuretic effects in the brain?

    <p>Kappa receptors</p> Signup and view all the answers

    Which receptor is primarily associated with analgesia, sedation, respiratory depression, euphoria, and constipation in the brain?

    <p>Mu receptors</p> Signup and view all the answers

    Which receptor is primarily associated with anxiety and depression in the brain, spinal cord, and amygdala?

    <p>Nociception receptors</p> Signup and view all the answers

    Which of the following characteristics is important for a drug used for premedication?

    <p>Rapid onset</p> Signup and view all the answers

    What is the role of lipophilicity in premedication drugs?

    <p>To cross plasma membranes</p> Signup and view all the answers

    Which of the following is a characteristic of centrally acting drugs?

    <p>Inhibitory effects</p> Signup and view all the answers

    What is the role of alpha 2 adrenoreceptor agonists?

    <p>Constriction or relaxation</p> Signup and view all the answers

    What is the main reason for using selective alpha 2 drugs?

    <p>To bind to A2 receptors only</p> Signup and view all the answers

    Which of the following is a property of alpha 2 adrenoreceptor agonists?

    <p>Sedative and muscle relaxant properties</p> Signup and view all the answers

    Which of the following is should not be a characteristic of a premedication drugs?

    <p>Long elimination time</p> Signup and view all the answers

    What is the role of A2 receptors in the cholinergic system?

    <p>Reduction of noradrenaline release</p> Signup and view all the answers

    What is the effect of increasing the dose of alpha 2 adrenoreceptor agonists?

    <p>Increased chance of affecting other receptors</p> Signup and view all the answers

    Which of the following drugs is a selective alpha 2 adrenoreceptor agonist?

    <p>Medetomidine</p> Signup and view all the answers

    Which opioid is commonly used in veterinary medicine as an analgesic?

    <p>Butorphanol</p> Signup and view all the answers

    Which receptor is primarily associated with analgesia, sedation, respiratory depression, euphoria, and constipation in the brain?

    <p>Mu receptor</p> Signup and view all the answers

    Which of the following is a characteristic of benzodiazepines?

    <p>Causes anxiolysis, sedation, and hypnosis</p> Signup and view all the answers

    Which drug is a NMDA receptor antagonist?

    <p>Ketamine</p> Signup and view all the answers

    Which of the following is a property of ketamine?

    <p>Rapid onset of action and short duration</p> Signup and view all the answers

    Which receptor is primarily associated with analgesic and anti-depressant effects in the brain?

    <p>Delta receptor</p> Signup and view all the answers

    Which of the following is a property of phenothiazines?

    <p>Antagonism of dopamine receptors</p> Signup and view all the answers

    Which receptor is primarily associated with analgesic, sedative, and diuretic effects in the brain?

    <p>Kappa receptor</p> Signup and view all the answers

    Which of the following characteristics is important for a drug used for premedication?

    <p>Must be lipophilic</p> Signup and view all the answers

    What is the role of lipophilicity in premedication drugs?

    <p>It allows the drug to distribute to the brain</p> Signup and view all the answers

    What is the effect of increasing the dose of alpha 2 adrenoreceptor agonists?

    <p>Increase the chance to effect other receptors</p> Signup and view all the answers

    Which receptor is primarily associated with analgesic, sedative, and muscle relaxant properties in the brain?

    <p>Alpha 2 adrenoreceptor</p> Signup and view all the answers

    Which receptor is primarily associated with heart function, airways, and metabolic effects?

    <p>Beta adrenoreceptor</p> Signup and view all the answers

    Which of the following is a property of alpha 2 adrenoreceptor agonists?

    <p>Marked bradycardia and hypotension</p> Signup and view all the answers

    Which drug is more selective for the alpha 2 receptor compared to Xylazine?

    <p>Medetomidine</p> Signup and view all the answers

    What is the main reason for using selective alpha 2 drugs?

    <p>To bypass the blood-brain barrier</p> Signup and view all the answers

    What is the role of A2 receptors in the cholinergic system?

    <p>Inhibits the release of noradrenaline</p> Signup and view all the answers

    Which of the following is NOT associated with alpha 2 adrenoreceptor agonists?

    <p>Euphoric effects</p> Signup and view all the answers

    Which of the following drugs is a selective alpha 2 adrenoreceptor agonist?

    <p>Medetomidine</p> Signup and view all the answers

    Which receptor is primarily associated with analgesic, sedative, and diuretic effects in the brain?

    <p>Kappa receptors</p> Signup and view all the answers

    What is the main reason for using selective alpha 2 drugs?

    <p>To provide analgesia</p> Signup and view all the answers

    Which receptor is associated with marked bradycardia and hypertension?

    <p>Alpha 2 receptors</p> Signup and view all the answers

    Which of the following is NOT a characteristic of premedication drugs?

    <p>Rapid onset of action</p> Signup and view all the answers

    Which opioid is a partial agonist and will not elicit a fuller response even at maximal dose?

    <p>Buprenorphine</p> Signup and view all the answers

    Which of the following is NOT associated with alpha 2 adrenoreceptor agonists?

    <p>Axiolysis</p> Signup and view all the answers

    Which drug can act as a reverser for A2 adrenoreceptor agonists?

    <p>Atipamezole</p> Signup and view all the answers

    What is the role of lipophilicity in premedication drugs?

    <p>It aids in oral and intramuscular absorption</p> Signup and view all the answers

    Which of the following is a property of benzodiazepines?

    <p>They act as GABA agonists</p> Signup and view all the answers

    Which characteristic is important for a drug used for premedication?

    <p>Must be lipophilic and readily absorbed</p> Signup and view all the answers

    Which receptor is primarily associated with analgesic effects in the brain?

    <p>Alpha 2 adrenoreceptor</p> Signup and view all the answers

    What is the effect of increasing the dose of alpha 2 adrenoreceptor agonists?

    <p>Increase the chance to effect other receptors not A2 specific</p> Signup and view all the answers

    What is the role of A2 receptors in the cholinergic system?

    <p>Promote the action of inhibitory neurotransmitters</p> Signup and view all the answers

    Which of the following is a characteristic of benzodiazepines?

    <p>Crosses the blood brain barrier</p> Signup and view all the answers

    Which receptor is associated with marked bradycardia and hypotension?

    <p>Alpha 2 adrenoreceptor</p> Signup and view all the answers

    What is the main reason for using selective alpha 2 drugs?

    <p>To promote the action of inhibitory neurotransmitters</p> Signup and view all the answers

    Which receptor is primarily associated with sedation and muscle relaxation in the brain?

    <p>Alpha 2 adrenoreceptor</p> Signup and view all the answers

    Which of the following drugs is a selective alpha 2 adrenoreceptor agonist?

    <p>Xylazine</p> Signup and view all the answers

    Which of the following characteristics is important for a drug used for premedication?

    <p>Must be lipophilic and readily absorbed</p> Signup and view all the answers

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